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Merge commit '7d7771b673e5949f554515a2c236b23192c765c8'

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Bjørn Erik Pedersen
2020-09-07 21:37:51 +02:00
parent e820b366b9 7d7771b673
commit b9e4f5898b
14 changed files with 226 additions and 94 deletions
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docs/content/en/functions/ref.md
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@@ -1,17 +1,17 @@
---
title: ref
linktitle: ref
description: Looks up a content page by logical name.
description: Returns the absolute permalink to a page.
godocref:
date: 2017-02-01
publishdate: 2017-02-01
lastmod: 2019-12-28
lastmod: 2020-09-05
categories: [functions]
menu:
docs:
parent: "functions"
keywords: [cross references, anchors]
signature: ["ref . CONTENT"]
signature: ["ref . PAGE"]
workson: []
hugoversion:
relatedfuncs: [relref]
@@ -19,22 +19,33 @@ deprecated: false
aliases: []
---
`ref` and `relref` look up a content page by logical name (`ref`) or relative path (`relref`) to return the permalink:
This function takes two parameters:
```
- The context of the page from which to resolve relative paths, typically the current page (`.`)
- The path to a page, with or without a file extension, with or without an anchor. A path without a leading `/` is first resolved relative to the given context, then to the remainder of the site.
```go-html-template
{{ ref . "about" }}
{{ ref . "about#anchor" }}
{{ ref . "about.md" }}
{{ ref . "about.md#anchor" }}
{{ ref . "#anchor" }}
{{ ref . "/blog/my-post" }}
{{ ref . "/blog/my-post.md" }}
```
{{% note "Usage Note" %}}
`ref` looks up Hugo "Regular Pages" only. It can't be used for the homepage, section pages, etc.
{{% /note %}}
To return the absolute permalink to another language version of a page:
It is also possible to pass additional arguments to link to another language or an alternative output format. Therefore, pass a map of arguments instead of just the path.
```
{{ ref . (dict "path" "about.md" "lang" "ja" "outputFormat" "rss") }}
```go-html-template
{{ ref . (dict "path" "about.md" "lang" "fr") }}
```
These functions are used in two of Hugo's built-in shortcodes. You can see basic usage examples of both `ref` and `relref` in the [shortcode documentation](/content-management/shortcodes/#ref-and-relref).
To return the absolute permalink to another Output Format of a page:
For an extensive explanation of how to leverage `ref` and `relref` for content management, see [Cross References](/content-management/cross-references/).
```go-html-template
{{ ref . (dict "path" "about.md" "outputFormat" "rss") }}
```
Hugo emits an error or warning if the page cannot be uniquely resolved. The error behavior is configurable; see [Ref and RelRef Configuration](/content-management/cross-references/#ref-and-relref-configuration).
This function is used by Hugo's built-in [`ref`](/content-management/shortcodes/#ref-and-relref) shortcode. For a detailed explanation of how to leverage this shortcode for content management, see [Links and Cross References](/content-management/cross-references/).